A111493 Decimal expansion of the square of tan 1 degree.

0, 0, 0, 3, 0, 4, 6, 7, 9, 2, 9, 1, 6, 4, 8, 2, 9, 1, 5, 9, 2, 4, 9, 9, 5, 1, 4, 1, 9, 2, 2, 6, 3, 7, 0, 2, 7, 2, 6, 5, 3, 6, 6, 3, 5, 8, 5, 5, 8, 4, 3, 9, 7, 3, 7, 8, 0, 6, 8, 8, 5, 6, 2, 1, 3, 3, 9, 9, 7, 0, 7, 9, 9, 9, 7, 6, 5, 7, 6, 7, 1, 6, 5, 2, 2, 6, 6, 7, 1, 0, 9, 0, 6, 8, 8, 8, 9, 2, 3, 1, 2, 7, 2, 9, 5

Offset: 0

Author

Mohammad K. Azarian, Nov 21 2005

Keywords

• cons
• nonn
• changed

Comments

An algebraic integer with degree 24. - Charles R Greathouse IV, Aug 27 2017

Examples

			0.000304679291648291592499514192263702726536635855843973780688562133....
		

Links

• Index entries for algebraic numbers, degree 24

Crossrefs

Cf. A019810, A019898.

Programs

PARI

tan(Pi/180)^2 \\ Charles R Greathouse IV, Aug 27 2017

Formula

Equals A111486/A111590. - R. J. Mathar, Aug 29 2025